Pool Operators Study Guide Correct 100%(RATED A+)

The CDC estimates that approximately ____________ water related injuries occur annually. - ANSWER 140,000 How do you prevent spinal injuries? - ANSWER -"no diving" markers should be present -no diving in under 6 feet of water -diving should only be allowed from diving boards or stands Built in stairs... - ANSWER -commonly in the shallow end -must have a secure handrail Certified pool operators are responsible for - ANSWER Maintaining the daily pool log The Main Drain... - ANSWER -is the strongest point of suction -may lead to entrapment and drowning of a bather There must be at least _____ ladders or stairways provided in a pool for adequate access and egress for swimmers. - ANSWER 2 Filtration is... - ANSWER The physical process of removing suspended particles from the pool water As dirt accumulates inside a filter, the amount of water that can pass through the filter...? - ANSWER Drecreases Channeling is... - ANSWER A damaging condition that occurs over time in a sand filter Back washing is the process of... - ANSWER Removing accumulated particles from inside a sand filter What is the rate of high rate sand filters? - ANSWER 15-25 gallons per minute per square foot What is the volume of water going through a filter system measured in? - ANSWER Gallons per minute The turnover rate for a swim in pool is every ____ __________? - ANSWER 6 hours Equation for surface area of a rectangular or square pool? - ANSWER Length x width = surface area Equ